Видео ютуба по тегу Soft Gold Surface Finish

Nickel Gold PCB Surface Finish Failure and Shear Testing
Nickel Gold PCB Surface Finish Failure and Shear Testing
HDI PCB Making Ⅱ---Immersion Gold surface treatment
HDI PCB Making Ⅱ---Immersion Gold surface treatment
How to Choose a Surface Finish | Sierra Circuits
How to Choose a Surface Finish | Sierra Circuits